ffs - OpenBSD

bin/pax/options.c

1476

while ((nxt = ffs(flg)) != 0) {

games/hunt/hunt/otto.c

542

rel_dir = ffs(dir_mask) - 1;

include/strings.h

73

int ffs(int);

lib/libc/hidden/string.h

31

PROTO_PROTECTED(ffs);

lib/libc/rpc/svc.c

512

for (; (bit = ffs(rdfds)); rdfds ^= (1 << (bit - 1)))

lib/libc/rpc/svc.c

531

for (mask = *maskp++; (bit = ffs(mask));

lib/libc/stdlib/malloc.c

1187

k = ffs(*lp >> j) + j;

lib/libc/stdlib/malloc.c

1192

k = ffs(*lp);

lib/libedit/tty.c

1259

int c = ffs((int)m->m_value);

lib/libpcap/optimize.c

1232

k = ffs(x) - 1;

libexec/snmpd/snmpd_metrics/kroute.c

994

return (33 - ffs(ntohl(ina)));

regress/lib/libc/ffs/ffs_test.c

14

assert(ffs(0) == 0);

regress/lib/libc/ffs/ffs_test.c

15

assert(ffs(0x8080) == 8);

regress/lib/libc/ffs/ffs_test.c

16

assert(ffs(INT32_MIN) == 32);

sbin/dump/main.c

457

tp_bshift = ffs(TP_BSIZE) - 1;

sbin/dump/tape.c

188

dblkno += avail << (tp_bshift - (ffs(DEV_BSIZE) - 1));

sbin/fsck_ffs/setup.c

285

sblock.fs_bshift = ffs(sblock.fs_bsize) - 1;

sbin/fsck_ffs/setup.c

295

sblock.fs_fshift = ffs(sblock.fs_fsize) - 1;

sbin/ifconfig/brconfig.c

391

v = ffs(reqp->ifbr_protected);

sbin/iked/radius.c

590

33 - ffs(ntohl(ia4.s_addr));

sbin/iked/util.c

555

return (33 - ffs(ntohl(ina)));

sbin/isakmpd/pf_key_v2.c

1466

return (33 - ffs(~hmask + 1)) % 33;

sbin/newfs_ext2fs/mke2fs.c

1400

return ffs(val) - 1;

sbin/route/show.c

596

mbits = mask ? 33 - ffs(mask) : 0;

sys/arch/amd64/amd64/efifb.c

234

#define bmnum(_x) (fls(_x) - ffs(_x) + 1)

sys/arch/amd64/amd64/efifb.c

235

#define bmpos(_x) (ffs(_x) - 1)

sys/arch/arm64/dev/acpipci.c

497

*irq = ffs(letoh16(crs->sr_irq.irq_mask)) - 1;

sys/arch/arm64/dev/agintc.c

401

if (nbits == 8 - (ffs(pmr) - 1))

sys/arch/arm64/dev/apldc.c

174

irq = ffs(pending) - 1;

sys/arch/arm64/dev/aplpinctrl.c

284

bit = ffs(pending) - 1;

sys/arch/arm64/dev/rpiclock.c

459

parent = ffs(sel) - 1;

sys/arch/arm64/dev/rpiclock.c

526

best_mux = ffs(sel) - 1;

sys/arch/armv7/omap/omgpio.c

729

bit = ffs(pending) - 1;

sys/arch/hppa/hppa/intr.c

86

bit = ffs(imask[(int)iv->pri]);

sys/arch/hppa/hppa/intr.c

88

bit = ffs(~mask);

sys/arch/hppa/hppa/machdep.c

832

i = ffs(~mask) - 1;

sys/arch/i386/i386/k6_mem.c

114

sc->mr_desc[d].mr_len = ffs(mask) << 17;

sys/arch/i386/i386/k6_mem.c

85

for (bit = ffs(desc->mr_len >> 17) - 1; bit < 15; bit++)

sys/arch/i386/pci/pci_intr_fixup.c

502

(irq = ffs(l->bitmap & pciirq)) > 0) {

sys/arch/i386/pci/pci_intr_fixup.c

524

(irq = ffs(l->bitmap & pcibios_irqs_hint)) > 0) {

sys/arch/luna88k/dev/mb89352.c

595

target = ffs(selid) - 1;

sys/arch/macppc/dev/macintr.c

515

irq = ffs(irq_mask) - 1;

sys/arch/macppc/dev/macintr.c

520

irq = ffs(irq_mask) + 31;

sys/arch/powerpc/powerpc/pmap.c

111

#define HTABSIZE_64 (ffs(pmap_ptab_cnt) - 12)

sys/arch/powerpc64/powerpc64/pmap.c

122

#define HTABSIZE (ffs(pmap_ptab_cnt) - 12)

sys/arch/powerpc64/powerpc64/pmap.c

127

#define PATSIZE (ffs(PATMEMSZ) - 12)

sys/arch/riscv64/dev/sgmsi.c

140

msi = ffs(sc->sc_msi_mask) - 1;

sys/arch/riscv64/dev/stfpcie.c

728

vec = ffs(status) - 1;

sys/arch/sh/sh/cache_sh3.c

109

ffs(sh_cache_size_unified / (4/*way*/ * 16/*line-size*/)) - 1

sys/arch/sparc64/stand/ofwboot/ofdev.c

64

int ffs(int);

sys/dev/acpi/acpi.c

3250

aaa->aaa_irq[aaa->aaa_nirq] = ffs(crs->sr_irq.irq_mask) - 1;

sys/dev/acpi/acpiprt.c

153

irq->_int= ffs(letoh16(crs->sr_irq.irq_mask)) - 1;

sys/dev/acpi/dwiic_acpi.c

285

sc_crs->irq_int = ffs(letoh16(crs->sr_irq.irq_mask)) - 1;

sys/dev/fdt/bcmstbgpio.c

245

pin = ffs(stat) - 1;

sys/dev/fdt/bcmstbintc.c

145

irq = ffs(status) - 1;

sys/dev/fdt/dwpcie.c

854

vec = ffs(status) - 1;

sys/dev/fdt/imxgpio.c

217

pin = ffs(pending) - 1;

sys/dev/fdt/mvkpcie.c

884

i = ffs(pending) - 1;

sys/dev/fdt/rkclock.c

551

max_div_con = clk->div_mask >> (ffs(clk->div_mask) - 1);

sys/dev/fdt/rkclock.c

585

shift = ffs(clk->sel_mask) - 1;

sys/dev/fdt/rkclock.c

590

shift = ffs(clk->div_mask) - 1;

sys/dev/fdt/rkclock.c

621

sel_shift = ffs(clk->sel_mask) - 1;

sys/dev/fdt/rkclock.c

695

div_shift = ffs(clk->div_mask) - 1;

sys/dev/fdt/rkclock.c

724

shift = ffs(clk->sel_mask) - 1;

sys/dev/fdt/rkgpio.c

291

pin = ffs(pending) - 1;

sys/dev/ic/ahci.c

2027

port = ffs(is) - 1;

sys/dev/ic/ahci.c

2120

err_slot = ffs(ap->ap_active) - 1;

sys/dev/ic/ahci.c

2245

slot = ffs(tmp) - 1;

sys/dev/ic/ahci.c

2304

slot = ffs(ci_masked) - 1;

sys/dev/ic/ahci.c

2325

slot = ffs(ci_masked) - 1;

sys/dev/ic/ahci.c

2370

slot = ffs(tmp) - 1;

sys/dev/ic/aic6360.c

643

target = ffs(selid) - 1;

sys/dev/ic/aic79xx.c

9638

our_id = ffs(targid_mask);

sys/dev/ic/aic7xxx.c

7043

our_id = ffs(targid_mask);

sys/dev/ic/am7990.c

175

init.init_rlen = (a >> 16) | ((ffs(sc->sc_nrbuf) - 1) << 13);

sys/dev/ic/am7990.c

179

init.init_tlen = (a >> 16) | ((ffs(sc->sc_ntbuf) - 1) << 13);

sys/dev/ic/am79900.c

191

init.init_mode |= ((ffs(sc->sc_ntbuf) - 1) << 28) |

sys/dev/ic/am79900.c

192

((ffs(sc->sc_nrbuf) - 1) << 20);

sys/dev/ic/ncr53c9x.c

1341

target = ffs(selid) - 1;

sys/dev/ic/nvme.c

268

SET(cc, NVME_CC_MPS(ffs(sc->sc_mps) - 1));

sys/dev/ic/osiop.c

1485

int reselid = ffs(osiop_read_4(sc, OSIOP_SCRATCH) & 0xff) - 1;

sys/dev/ic/qwx.c

11723

pdev_cap->tx_chain_mask_shift = ffs(pdev_cap->tx_chain_mask);

sys/dev/ic/qwx.c

11724

pdev_cap->rx_chain_mask_shift = ffs(pdev_cap->rx_chain_mask);

sys/dev/ic/qwx.c

15156

idx = ffs(rx_ring->freemap[i]);

sys/dev/ic/qwx.c

23759

bit = ffs(sc->free_vdev_map) - 1;

sys/dev/ic/qwx.c

97

#define ffz(x) ffs(~(x))

sys/dev/ic/qwz.c

12777

idx = ffs(rx_ring->freemap[i]);

sys/dev/ic/qwz.c

20941

bit = ffs(sc->free_vdev_map) - 1;

sys/dev/ic/qwz.c

9420

pdev_cap->tx_chain_mask_shift = ffs(pdev_cap->tx_chain_mask);

sys/dev/ic/qwz.c

9421

pdev_cap->rx_chain_mask_shift = ffs(pdev_cap->rx_chain_mask);

sys/dev/ic/qwz.c

97

#define ffz(x) ffs(~(x))

sys/dev/ic/sili.c

498

slot = ffs(pss_saved) - 1;

sys/dev/ic/sili.c

549

slot = ffs(pss_masked) - 1;

sys/dev/ic/sili.c

732

port = ffs(is) - 1;

sys/dev/isa/ess.c

2248

port = ffs(di.un.s.member[i].mask);

sys/dev/isa/if_ec.c

205

i = ffs(x) - 1;

sys/dev/isa/if_ec.c

216

i = ffs(x) - 1;

sys/dev/microcode/aic7xxx/aicasm_gram.y

457

enum_increment = 0x01 << (ffs($3.value) - 1);

sys/dev/microcode/aic7xxx/aicasm_gram.y

479

enum_increment = 0x01 << (ffs($3.value) - 1);

sys/dev/pci/agp_amd.c

309

vas = ffs(aperture / 32*1024*1024) - 1;

sys/dev/pci/agp_sis.c

215

gws = ffs(aperture / 4*1024*1024) - 1;

sys/dev/pci/drm/amd/amdgpu/amdgpu.h

1593

for (i = ffs(inst_mask); i-- != 0; \

sys/dev/pci/drm/amd/amdgpu/amdgpu.h

1594

i = ffs(inst_mask & BIT_MASK_UPPER(i + 1)))

sys/dev/pci/drm/amd/amdgpu/amdgpu_amdkfd.c

592

int num_lanes_shift = (is_min ? ffs(adev->pm.pcie_mlw_mask) :

sys/dev/pci/drm/amd/amdgpu/amdgpu_amdkfd.c

594

int gen_speed_shift = (is_min ? ffs(adev->pm.pcie_gen_mask &

sys/dev/pci/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

73

#define domain_string(domain) domain_bit_to_string[ffs(domain)-1]

sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c

627

inv_eng = ffs(vm_inv_engs[vmhub]);

sys/dev/pci/drm/amd/amdgpu/amdgpu_ip.c

58

log_inst = ffs(mask) - 1;

sys/dev/pci/drm/amd/amdgpu/amdgpu_ip.c

74

i = ffs(inst_mask) - 1;

sys/dev/pci/drm/amd/amdgpu/amdgpu_ras.c

115

#define ras_err_str(i) (ras_error_string[ffs(i)])

sys/dev/pci/drm/amd/amdgpu/amdgpu_vm_pt.c

774

*frag = min_t(unsigned int, ffs(start) - 1, fls64(end - start) - 1);

sys/dev/pci/drm/amd/amdgpu/amdgpu_xcp.c

134

i = GET_INST(GC, (ffs(inst_mask) - 1));

sys/dev/pci/drm/amd/amdgpu/aqua_vanjaram.c

479

xcc_id = ffs(xcc_mask) - 1;

sys/dev/pci/drm/amd/amdgpu/gmc_v9_0.c

1562

while ((i = ffs(supp_modes))) {

sys/dev/pci/drm/amd/amdgpu/nbio_v7_9.c

428

return ffs(tmp);

sys/dev/pci/drm/amd/amdgpu/si.c

2635

v = ffs(readrq) - 8;

sys/dev/pci/drm/amd/amdkfd/kfd_device.c

758

first_vmid_kfd = ffs(gpu_resources->compute_vmid_bitmap)-1;

sys/dev/pci/drm/amd/amdkfd/kfd_device_queue_manager.c

756

bit = ffs(dqm->allocated_queues[pipe]) - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_device_queue_manager.h

368

ffs(dqm->dev->xcc_mask) - 1);

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager.c

110

int xcc_inst = inst + ffs(mm->dev->xcc_mask) - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v10.c

174

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v10.c

202

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v10.c

370

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v11.c

228

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v11.c

255

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v11.c

428

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v12.c

191

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v12.c

218

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

sys/dev/pci/drm/amd/amdkfd/kfd_mqd_manager_v12.c

329

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

sys/dev/pci/drm/amd/amdkfd/kfd_process.c

2179

node_id = ffs(pdd->dev->interrupt_bitmap) - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_process.c

307

&max_waves_per_cu, ffs(dev->xcc_mask) - 1);

sys/dev/pci/drm/amd/amdkfd/kfd_topology.c

1113

buf[7] = (ffs(gpu->xcc_mask) - 1) | (NUM_XCC(gpu->xcc_mask) << 16);

sys/dev/pci/drm/amd/amdkfd/kfd_topology.c

1633

first_active_cu = ffs(cu_sibling_map_mask);

sys/dev/pci/drm/amd/amdkfd/kfd_topology.c

1698

start = ffs(knode->xcc_mask) - 1;

sys/dev/pci/drm/amd/amdkfd/kfd_topology.c

1717

first_active_cu = ffs(cu_sibling_map_mask);

sys/dev/pci/drm/amd/amdkfd/kfd_topology.c

1823

start = ffs(kdev->xcc_mask) - 1;

sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c

980

low = mask ? (ffs(mask) - 1) : 0;

sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

4946

if (fls(tmp) != ffs(tmp))

sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4281

data->smc_state_table.gfx_boot_level = mask ? (ffs(mask) - 1) : 0;

sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4294

data->smc_state_table.mem_boot_level = mask ? (ffs(mask) - 1) : 0;

sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4308

data->smc_state_table.soc_boot_level = mask ? (ffs(mask) - 1) : 0;